39981008

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{146989}}^1$

素因数の和:147014

約数の個数: 20

約数和(自身を含む): 82020420

約数和(自身を除く): 42039412

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 146989, 293978, 587956, 1175912, 2351824, 2498813, 4997626, 9995252, 19990504, 39981008]

約数ペア:

[(1, 39981008), (2, 19990504), (4, 9995252), (8, 4997626), (16, 2498813), (17, 2351824), (34, 1175912), (68, 587956), (136, 293978), (272, 146989)]